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Missing―One Brain!

Bruce Coville

Cover of Missing―One Brain!

Missing―One Brain!

Age Rating, Reading Level & Content Guide

by Bruce Coville

Reading Level 4-5 9LP Ages 9-12 Balanced Read

The text is written at a 4th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.

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About This Book

What if losing your homework was the least of your problems? Imagine being the first alien kid in a human school and suddenly your grandfather’s brain goes missing! Now, with friends at odds and mysterious secrets leaking out, can Pleskit solve the biggest mystery of sixth grade before it’s too late?

Themes

Science FictionAlien ContactFriendshipComing of AgeHumor

Quick Assessment

This middle-grade sci-fi adventure follows Pleskit Meenom, an alien attending school on Earth, as he faces the challenge of finding his missing grandfather’s brain while dealing with friendship struggles and media attention. Suitable for ages 9-12, the story blends humor and science fiction with themes of friendship and social challenges. Parents should note the light conflict and mild peril typical of middle-grade fiction.

Why we rated Missing―One Brain! 9LP

Missing―One Brain! is written at a Level 4-5 reading level across 160 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Missing―One Brain! works for readers up to grade 6.5.

We rate Missing―One Brain! as 9LP ("Light — Physical") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.

Specific content flags noted by reviewers: Mild Peril, Friendship, Social Themes.

Thematically, Missing―One Brain! explores science fiction, alien contact, friendship, coming of age, and humor — these threads give the book room to mean different things to different readers.

Good fit for

  • Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about science fiction, alien contact, friendship.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LP — Light — Physical
Emotional
Clear
Physical
Light
Social
Clear
Thematic
Clear

Light conflict or tension. Mild peril resolved quickly.

Content Flags

Mild Peril Friendship Social Themes
Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

2/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
8
World Scope
1
Data Confidence
7

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Details

Book Length

160 pages
ISBN
9781534464841
Pages
160
Publisher
Aladdin
Published
2020-08
Type
Fiction

Genres

Subjects

Science FictionAlien ContactSocial ThemesFriendshipHumorous StoriesExtraterrestrial Beings